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Goodwill and Intangible Assets (Schedule of Estimated Future Amortization Expense) (Details)
$ in Thousands
Sep. 30, 2021
USD ($)
Goodwill and Intangible Assets [Abstract]  
Q4 2021 $ 111,000
2022 442,000
2023 426,000
2024 415,000
2025 381,000
Thereafter $ 666,000